2021 Offroad Catalog

x X X X X 847 AUDIO / VIDEO / NAVIGATION EXHAUST BODY / FRAME GRAPHICS / SEATS OFFROAD LUGGAGE SNOW BIKE SECURITY HANDLEBARS / CONTROLS LEVERS CABLES FOOTPEGS / FOOT CONTROLS INTAKE / FUEL SYSTEMS AIR FILTERS OIL FILTERS LIGHTING / GAUGES BATTERIES / CHARGERS ELECTRICAL SPARK PLUGS ENGINE PISTONS CLUTCH / DRIVE SUSPENSION / BEARINGS CHAIN SPROCKETS BRAKES PIT BIKE CHINESE VEHICLE PARTS GAS CANS STANDS TRANSPORT / RAMPS PROMOTIONAL REFERENCE INDEX Continued on the next page Application Bore x Stroke mm Disp. (cc) Bore Size mm Sizes In. WPS# List Repl. Ring Set Repl. Circlips Wrist Pin Top End Bearing YAMAHA 2 CYCLE ( CONT ’ D ...) YZ250, `99-17 (300cc Big Bore) 72 x 72 293 72 0.224 878PS $208.08 2835CDA Circlips CW-18 B1022 Cylinder, cylinder head, and powervalve modifications required Wrist pin S-508 ArmorGlide skirt coated; Titanium Nitride rings 400 DT, MX `75-78 85 x 70 397 85 STD 3347TD Circlips CW-18 B1003 Reed Cutaway 85.5 0.020 232P2 $177.48 3366TD Wrist pin S-277 86 0.040 232P4 $177.48 3386TD YZ400 C,D,E,IT `76-78 85 x 70 397 85 STD 3347TD Circlips CW-18 B1003 Reed Cutaway 85.5 0.020 394P2 $177.48 3366TD Wrist pin S-277 86 0.040 3386TD 86.5 0.060 394P6 $187.68 3405TD 87 0.080 3425TD YZ465 G,H,IT `80-81 85 x 82 465 85 STD 3347TD Circlips CW-18 B1014 Reed Cutaway 85.5 0.020 451P2 $197.88 3366TD Wrist pin S-277 86 0.040 3386TD 86.5 0.060 451P6 $208.08 3405TD YZ490 J,K `82-83; IT490, `83-84 87 x 82 487 87 STD 478PS $197.88 3425TD Circlips CW-18 B1014 87.5 0.020 478P2 $197.88 3445TD Wrist pin S-277 12-1413 88 0.040 478P4 $197.88 3465TD 89 0.080 478P8 $208.08 3504TD YZ490N, `84-90; WR500, `91-93 87 x 82 487 87 STD 546PS $197.88 3425TD Circlips CW-18 B1014 PRO-LITE 87.5 0.020 546P2 $197.88 3445TD Wrist pin S-277 12-1413 Not supplied with Wrist Pin 88 0.040 546P4 $197.88 3465TD 88.5 0.060 546P6 $208.08 3484TD 89 0.080 546P8 $208.08 3504TD YAMAHA 4 CYCLE TT-R90, E, `03-07 47 x 51.8 90 47 STD 4840PS $132.60 1850XE Circlips CW-13 11:1 High Compression 92 47.5 0.020 4840P2 $132.60 1870XE Wrist pin S-592 94 48 0.040 1890XE 102 50 0.120 1969XE TT-R125, L, `00-21 54 x 54 124 54 STD 4752PS $132.60 2126XE Circlips CW-15 11.2:1 Compression 54.5 0.020 4752P2 $132.60 2146XE Wrist pin S-571 55 0.040 4752P4 $132.60 2165XE TT-R250, `99-06 73 x 77 249 73 STD 4689PS $167.28 2874XC Circlips CW-18 253 73.5 0.020 4689P2 $167.28 2894XC Wrist pin S-524 XT250, `13-21 74 x 58 74 STD 4951PS $189.52 2913XA Circlips CW-17 10.5:1 Compression Wrist pin S-688 ArmorGlide skirt coated XT250, `13-21 74 x 58 74 STD 40078PS $189.52 2913XA Circlips CW-17 13:1 Hi Compression 76 0.080 40078P8 $189.52 2992XG Wrist pin S-688 ArmorGlide skirt coated WR250F, `01-04; YZ250F, `01-04 77 x 53.6 249 77 STD 4872PS $147.90 7700XU Circlips CW-16 77mm = 12.7:1 Compression 79 0.080 4872P8 $226.44 3110XG Wrist pin S-742 79mm = 13.2:1 Compression YZ250F, `01-04 77 x 53.6 249 77 STD 4858PS $226.44 7700YC Circlips CW-16 ArmorGlide skirt coated Wrist pin S-742 13.5:1 Compression Gas Porting WR250F, `05-13; YZ250F, `05-07 77 x 53.6 249 77 STD 4882PS $147.90 7700XU Circlips CW-16 12.5:1 Compression Wrist pin S-742 WR250F, `05-13; YZ250F, `05-07 77 x 53.6 249 77 STD 4881PS $226.44 7700YC Circlips CW-16 13.5:1 Hi Compression Wrist pin S-742 Race Only (2-ring), Skirt Coated WR250F `01-13; YZ250F `01-11 83 x 53.6 290 83 0.240 4982PS $236.64 3268XG Circlips CW-16 290cc Big Bore Replacement; Skirt Coated Wrist pin S-677 YZ250F, `08-11 77 x 53.6 249 77 STD 4952PS $163.20 7700XU Circlips CW-16 13.5:1 Compression 263 79 0.080 4952P8 $195.84 3110XG Wrist pin S-742 YZ250F, `08-11 77 x 53.6 249 77 STD 4976PS $226.44 7700YC Circlips CW-16 14.0:1 Hi Compression Wrist pin S-742 YZ250F, `12-13 77 x 53.6 250 77 STD 40072PS $195.84 7700XU Circlips W-6883 13.5:1 Compression Wrist pin S-742 YZ250F, `12-13 77 x 53.6 250 77 STD 40094PS $226.44 7700XU Circlips W-6883 14.0:1 Hi Compression Wrist pin S-742 YZ250F `14-15, YZ250FX `15-16 77 x 53.6 250 77 STD 40116PS $189.72 7700YC Circlips CW-16 WR250F `15-17 Wrist pin S-677 13.5:1 Stock Compression YZ250F `14-15, YZ250FX `15-16 77 x 53.6 250 77 STD 40127PS $226.44 7700YC Circlips CW-16 WR250F `15-17 Wrist pin S-677 14:1 High Compression All kits come with pistons, rings and circlips. Wrist Pin is included, except when noted. For replacement ring pricing, see page 852 PISTONS